Oh, this book is amazing!!! The release of anyone is called "release". Unless you are talking about the cerimony.
Answer:
It is the one job he hates most at home, and it is ironic that this very job is what teaches him a valuable life lesson.
Explanation:
His manager made him do that job every day until he stopped complaining and he finally did.
The group of words that forms the complete subject is A Greek mathematician and inventor named Archimedes.
This is the subject, or the entity that does something - in this case, someone who designed some of the first simple machines.
No it’s not , why would it be?